ISTA External CO2 Ceramic Reactor

Designed by Ista, this External CO2 Ceramic Reactor is ideal for use in aquarium setups where CO2 is supplemented, to ensure is has thoroughly dissolved before entering your aquarium. Reactors use agitation to thoroughly mix aquarium water with the CO2 that you are adding, to ensure the gas is evenly distributed. The reliable, sturdy design works externally, optimizing space within your aquarium. Simply install it on the return line of your canister filter and you are all set. For 5/8" tubing.